[n] V. A. Vorontsov, “About a Possibility of Acceleration of Ferromagnetic Objects by the Electron Rings”, presented at the RuPAC2021, Alushta, Crimea, Sep.-Oct. 2021, paper TUPSB19, unpublished.
%\cite{Vorontsov:RuPAC2021-TUPSB19} \bibitem{Vorontsov:RuPAC2021-TUPSB19} V. A. Vorontsov, \textquotedblleft{About a Possibility of Acceleration of Ferromagnetic Objects by the Electron Rings}\textquotedblright, presented at the RuPAC2021, Alushta, Crimea, Sep.-Oct. 2021, paper TUPSB19, unpublished.
@unpublished{vorontsov:rupac2021-tupsb19, author = {V. A. Vorontsov}, title = {{About a Possibility of Acceleration of Ferromagnetic Objects by the Electron Rings}}, booktitle = {Proc. RuPAC2021}, pages = {}, paper = {TUPSB19}, venue = {Alushta, Crimea}, intype = {presented at the}, series = {Russian Particle Accelerator Conference}, number = {27}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2021}, issn = {2673-5539}, isbn = {978-3-95-450240-0}, note = {presented at RuPAC2021, Alushta, Crimea, Sep.-Oct. 2021, paper TUPSB19, unpublished}, language = {english} }